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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1w
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Principal AI Engineer, AI Security
Colorado Springs or Colorado or Virginia
$200k-$300k/yr RemoteFull Time
5+ YOE5+ years in AI security or AI/ML engineering; hands-on experience with LLMs, RAG, agentic architectures; AWS cloud security; ability to obtain U.S. security clearance.
AWS, NIST AI RMF, TEVV, retrieval-augmented generation, LLM
1mo
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Principal Systems Security Engineer
Centennial or Plano or Englewood
$165k-$227k/yr OnsiteFull Time
12+ YOEBachelor's in related field or equivalent experience, 12+ years IT security experience, active Top Secret/SCI clearance, expertise in NIST and ISO 27001, incident response, digital forensics, and mentoring/security architecture leadership.
National Institute of Standards and Technology (NIST), ISO 27001, Linux
3w
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Principal Security Engineer
Englewood or Austin
HybridFull Time
10+ YOE10+ years in security engineering or architecture with 3+ years as a principal/staff-level IC; hands-on with cloud (AWS, Microsoft Azure), IAM, VPC, Okta/Entra ID/Azure AD, EDR/XDR, SIEM, SOAR; knowledge of NIST CSF, ISO 27001, SOC 2; strong communication and risk-to-engineering delivery.
Okta, Microsoft Entra ID, Microsoft Azure AD, AWS, Microsoft Azure, IAM, VPC, EDR, XDR, SIEM, SOAR, NIST CSF, ISO 27001, SOC 2, FAA, EASA, DoD, CMMC
3mo
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Junior Cyber Security Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
2+ YOEEntry-level cyber security engineer role requiring DoD Secret clearance, IAT II, 6+ months IT, 2+ years general work experience, willing to travel up to 10%.
Active Directory, WSUS, SCCM, Windows, Linux, Security Tools
2mo
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Cyber Security Engineer
Colorado Springs or Aurora
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years in cybersecurity, system security engineering, or defensive cyber operations; RMF/NIST 800-53/DoD standards; vulnerability scanners, SIEM, or log platforms; secure/harden Windows/Linux; Secret clearance; Bachelor's degree.
RMF, NIST 800-53, DoD cybersecurity standards, vulnerability scanners, SIEM, endpoint protections, log platforms, Windows, Linux
2d
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Security DLP Engineer
Lone Tree, Colorado, United States
$130k-$140k/yr OnsiteFull Time
3+ YOE3+ years enterprise system administration experience supporting DLP technologies; BS in IT/CS preferred; proficiency with Python, C#, .Net MVC, RESTful methodologies, Git, CI/CD, cloud (AWS/Azure/GCP), CASB, proxy, network/endpoint DLP, regex, data classification, and DNS/TCP-IP.
Python, C#, .Net MVC, RESTFul Methodologies, Git, Continuous Integration/Deployment, CASB, Proxy, Network DLP, Google Cloud, AWS, endpoint DLP, DNS, TCP/IP, Cloud KMS, Identity Aware Proxy, Cloud DLP, Azure, GCP, EDM/IDMs, Regex
1mo
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Cyber Security Test Engineer
Colorado Springs, Colorado, United States
$120k-$135k/yr OnsiteFull Time
3+ YOEUS citizen able to obtain DoD SECRET, Bachelor's in engineering/math/physics/CS/cyber, 3+ years IAVM and DISA STIG experience, OS fundamentals, troubleshooting, strong written/oral communication.
DISA Security Technical Implementation Guides (STIG), Secure Content Automation Protocol (SCAP) Compliance Checker (SCC), STIG Viewer, Assured Compliance Assessment Solution (ACAS), Command-Line-Interface (CLI), PowerShell, Linux, Windows, Microsoft SQL Server, Cisco
2w
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Space Systems Security Engineer
Colorado Springs, Colorado, United States
$113k-$257k/yr HybridFull Time
8+ YOE4+ Mgmt8+ years cyber risk management for space mission systems, active TS/SCI clearance, Bachelor's in engineering/math/computer science/cybersecurity, DoD 8140 intermediate cert, leadership experience, EMR not required.
Jira, Confluence, Microsoft Teams
2mo
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Security Engineer - ISSE
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
3+ YOEBachelor’s degree with 5+ years or Master’s with 3+ years of relevant experience; active Top Secret clearance with SCI eligibility; cybersecurity engineering/ISSE experience in DoD/IC spaces; ability to work across engineering, software, and operations teams.
ACAS, SCAP, HBSS, Splunk, eMASS, Nessus, Linux, Windows, DevSecOps
3mo
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Clinical Engineering Medical Device Security Engineer
Englewood, Colorado, United States
OnsiteFull Time
2+ YOEBachelors in HTM/CS/Technology/Business or equivalent, 2-4 years healthcare/IT security or related experience, 1-2 years in healthcare environment, experience with medical equipment, CISA/HIPAA/HITECH knowledge, valid driver license.
MDS2
1mo
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Sr. Network Security Engineer
San Diego or Irvine or Los Angeles or Centennial or Las Vegas or Edison
$150k-$180k/yr OnsiteFull Time
7+ YOE7+ years network security engineering experience with ZTNA and microsegmentation, strong networking fundamentals, familiarity with AI/ML agent development, bachelor's degree or equivalent experience, excellent communication skills.
Kindo.ai, n8n, Claude/Anthropic APIs, Zero Trust Network Access (ZTNA), microsegmentation, LLM
2mo
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Senior Network Security Engineer (Top Secret Clearance)
Colorado Springs, Colorado, United States
$86k-$151k/yr OnsiteFull Time
3+ YOEActive Final Top-Secret clearance and U.S. citizenship, 3+ years network-security experience, IAT Level II (8140) certification or obtain within 60 days, RMF/CSRMC/STIG experience, multi-vendor device and virtualization experience, scripting/automation proficiency, passport and travel flexibility.
Juniper, Cisco, Palo Alto, VMware/ESXi, Python, Ansible, PowerShell, JUNOS, Visio, OSI, TCP/IP, Risk Management Framework (RMF), Cybersecurity Risk Management Construct (CSRMC), Security Technical Implementation Guides (STIG), NIST CVE
1w
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Network Security Engineer
Colorado Springs, Colorado, United States
$102k-$138k/yr OnsiteFull Time
2+ YOEActive Top Secret clearance, bachelor’s degree or equivalent, 2+ years related experience, IAT Level II certification (e.g., Security+, CISSP), firewall/switch/router configuration experience (Juniper/Cisco/Palo Alto), EM/VMware familiarity, strong communication.
TCP/IP, VLANs, UDP Multicast, Juniper, Cisco, Palo Alto, Microsoft PowerPoint, Visio, VMware, ESXi, Python, Ansible, PowerShell, NIST CVE
2w
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Information Systems Security Engineer (ISSE)
Colorado Springs, Colorado, United States
$112k-$179k/yr OnsiteFull Time
3+ YOEExperience performing information systems security engineering in software/system environments; knowledge of NIST SP 800-53; Linux/Windows hardening and monitoring; ability to produce security documentation; minimum Secret clearance with ability to upgrade to TS/SCI.
Linux, Windows, NIST SP 800-53
1w
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Information Systems Security Engineer (ISSE)
Colorado Springs, Colorado, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEBachelors in CS/engineering,5+ years ISSE or software engineering experience,experience with Linux,Kubernetes,DoD STIGs and RMF,ATO support,air-gapped deployments,security+ certification and active TS/SCI clearance.
Kubernetes, Terraform, Zarf, UDS Core, OpenShift, Rancher, Linux, CI/CD, DevSecOps
1mo
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Sr. Space Security EW/RF Operational Engineer
Colorado Springs, Colorado, United States
$151k-$227k/yr OnsiteFull Time
12+ YOEBachelor's in engineering/math/technical science, 12+ years engineering/scientific experience, EW/SATCOM/RF and systems engineering/test & evaluation experience with DoD/IC/Civil, active Top Secret/SCI clearance and U.S. citizenship required.
2mo
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Information Systems Security Engineer
Colorado Springs, Colorado, United States
$188k-$191k/yr OnsiteFull Time
Active TS/SCI with SCI; willing to undergo polygraph; BA/BS degree; 40-hour workweek; security program experience.
1mo
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Red Team Security Engineer
Colorado Springs, Colorado, United States
$175k-$185k/yr OnsiteFull Time
6+ YOEActive TS/SCI clearance, 6+ years relevant experience (adjustable by degree), prior government red team experience, ability to create SOPs, and strong problem-solving and documentation skills.
1mo
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Network Security Engineer
Colorado Springs, Colorado, United States
$105k-$122k/yr OnsiteFull Time
1+ YOEU.S. citizen with passport; Top Secret clearance preferred; Bachelor's +3 years or Master's +1 year; DoD RMF/STIG experience, firewall/switch/router configuration (Juniper/Cisco/Palo Alto), IAT Level II; virtualization and scripting preferred.
DoD RMF, DoDI 8510.01, STIG, NIST CVE, Juniper, Cisco, Palo Alto, JUNOS, Microsoft PowerPoint, Microsoft Visio, VMware, ESXi, Python, Ansible, PowerShell
1w
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Network Security Engineer
Colorado Springs, Colorado, United States
$102k-$138k/yr OnsiteFull Time
2+ YOEActive Top Secret clearance, bachelor’s degree or equivalent, 2+ years related experience, IAT Level II certification, firewall/switch/router configuration experience (Juniper,Cisco,Palo Alto), STIG/NIST knowledge, virtualization and scripting familiarity.
OSI Model, TCP/IP, VLANs, UDP Multicast, Juniper, Cisco, Palo Alto, Microsoft PowerPoint, Microsoft Visio, VMware, ESXi, Python, Ansible, PowerShell, JUNOS
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